1 janv. 1840 - Railway
Description:
The population of the United States has increased 36 percent in the last ten years – from 13 to almost 18 million. Railway track has grown from 100 to 3,500 miles. The US now has 1,200 cotton factories, two-thirds of them in New England.Ajouté au bande de temps:
Date:
1 janv. 1840
Maintenaint
~ Il y a 185 ans